The ports that need to be forwarded for Killing Floor 2 Server are listed here:
Killing Floor 2 Server - PC
- TCP: 8080
- UDP: 7777, 20560, 27015
Set Up a Port Forward for Killing Floor 2 Server

You might need to forward some ports in your router when you use Killing Floor 2 Server. Forwarding ports is used to allow incoming connection requests from the internet to Killing Floor 2 Server.
Routers do not generally allow incoming connection requests from the internet. Forwarding ports can work around this limitation.
Before Forwarding a Port Checkoff This To Do List
Before you can forward a port you need to know the following things:
- Your router's internal IP address.
- The IP address of your computer.
- The list of the TCP and UDP ports that you need to forward.
How to Locate Your Router's IP Address
We have free Router Detector software to help you find your router's IP address. It's a part of the Network Utilities suite of tools and it's completely free to use.
If you do not want to run the software, you can follow our Find Your Router IP Address guide.
Forwarding a Port for Killing Floor 2 Server
You can use our Network Utilities software to automatically forward ports for you. Network Utilities lets you manage port forwards by putting them in when you need them and also removing the ones that you no longer need which maximized network security.
Alternatively you can do it by hand. The step-by-step process for forwarding a port is:
- You can start by logging in to your router.
- Find the port forwarding section in your router.
- Type your computer's IP address into the correct box in your router.
- It is now time to type the TCP and UDP ports that you are forwarding for Killing Floor 2 Server in the correct boxes in your router.
Usually you have to reboot your router in order to save the changes.
You can choose your router from our list to see exactly how to forward ports for Killing Floor 2 Server:
List of Routers - Customized for Killing Floor 2 Server
Those are the steps for forwarding ports in your router for Killing Floor 2 Server.